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windows/registry: improve ReadSubKeyNames permissions

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The existing implementation requires QUERY_VALUE and ENUMERATE_SUB_KEYS permissions to enumerate
subkeys, so, using registry key name limits, Stat function could be excluded
from methods body and improved method requires only ENUMERATE_SUB_KEYS permission

Registry elements size limits described there:
https://msdn.microsoft.com/library/windows/desktop/ms724872.aspx

Fixes golang/go#23869

Change-Id: Id96beb9b0b294f01cc6eb1bb53bee5f50d02ea7e
Reviewed-on: https://go-review.googlesource.com/95655
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Shamil Garatuev
2018-02-24 23:21:35 +00:00
committed by Alex Brainman
parent 88d2dcc510
commit f6cff0780e
2 changed files with 5 additions and 7 deletions
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windows/registry/registry_test.go
+1 -1
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@@ -29,7 +29,7 @@ func randKeyName(prefix string) string {
}
func TestReadSubKeyNames(t *testing.T) {
k, err := registry.OpenKey(registry.CLASSES_ROOT, "TypeLib", registry.ENUMERATE_SUB_KEYS|registry.QUERY_VALUE)
k, err := registry.OpenKey(registry.CLASSES_ROOT, "TypeLib", registry.ENUMERATE_SUB_KEYS)
if err != nil {
t.Fatal(err)
}